Superlative form of fleshly; the most carnal, most bodily, or most concerned with physical/sensual matters.
From 'fleshly' plus '-est' (superlative suffix). 'Fleshly' is an older form than 'fleshy,' and emphasizes moral and spiritual dimensions rather than just physical description.
In religious literature, calling something 'the fleshliest of temptations' had moral weight—you weren't just describing something as physically substantial, you were labeling it as spiritually dangerous!
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